<template>
  <li>
    <label>
<!--                                   获取todo的done 判断是否勾选    改变勾选框则执行check方法-->
      <input type="checkbox" :checked="todo.done" @change="check(todo.id)"/>
      <span v-text="todo.title">xxxxx</span>
    </label>
    <button class="btn btn-danger" @click="handleDelete(todo.id)">删除</button>
  </li>
</template>

<script>
export default {
  name: "Item",
  //接收todo信息   接收checkTodo方法
  props:['todo'],
  methods:{
    //将id传递给app
    check(id){
      // this.checkTodo(id);
      //触发checkTodo 传递id
      this.$bus.$emit("checkTodo",id)
    },
    handleDelete(id){
      if (confirm('确定删除吗？')){
        // this.deleteTodo(id);
        //触发deleteTodo 传递id
        this.$bus.$emit("deleteTodo",id)
      }
    }
  }
}
</script>

<style scoped>
/*item*/
li {
  list-style: none;
  height: 36px;
  line-height: 36px;
  padding: 0 5px;
  border-bottom: 1px solid #ddd;
}

li label {
  float: left;
  cursor: pointer;
}

li label li input {
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
  top: -1px;
}

li button {
  float: right;
  display: none;
  margin-top: 3px;
}

li:before {
  content: initial;
}

li:last-child {
  border-bottom: none;
}
li:hover{
  background-color: #dddddd;
}
li:hover button{
  display: block;
}
</style>
